package cn.itcast.bos.web.action.base;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Row;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;

import cn.itcast.bos.domain.base.Area;
import cn.itcast.bos.service.base.AreaService;
import cn.itcast.bos.utils.PinYin4jUtils;
import cn.itcast.bos.web.action.common.BaseAction;

@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototye")
@SuppressWarnings("all")
public class AreaAction extends BaseAction<Area>{
	private static final long serialVersionUID = 1L;
	
	//注入aresService
	@Autowired
	private AreaService areaService;
	
	private File file;

	public File getFile() {
		return file;
	}

	public void setFile(File file) {
		this.file = file;
	}
	
	//批量数据的导入
	@Action(value="area_batchImport")
	public void batchImport() {
		List<Area> areas = new ArrayList<>();
		//基于.xls格式解析HSSF
		try {
			//加载.xls文件
			HSSFWorkbook hssfWorkbook = new HSSFWorkbook(new FileInputStream(file));
			//读取sheet
			HSSFSheet sheet = hssfWorkbook.getSheetAt(0);
			//读取每一行
			for (Row row : sheet) {
				if (row.getRowNum() == 0) {
					//第一行数据跳过
					continue;
				}
				
				if (row.getCell(0) == null
						|| StringUtils.isBlank(row.getCell(0).getStringCellValue())) {
					continue;
				}
				
				Area area = new Area();
				area.setId(row.getCell(0).getStringCellValue());
				area.setProvince(row.getCell(1).getStringCellValue());
				area.setCity(row.getCell(2).getStringCellValue());
				area.setDistrict(row.getCell(3).getStringCellValue());
				area.setPostcode(row.getCell(4).getStringCellValue());
				
				//基于pinyin4j生成城市编码和简码
				String province = area.getProvince();
				String city = area.getCity();
				String district = area.getDistrict();
				province = province.substring(0, province.length() - 1);
				city = city.substring(0, city.length() - 1);
				district = district.substring(0, district.length() - 1);
				
				//简码
				String[] headArray = PinYin4jUtils.getHeadByString(province+city+district);
				StringBuffer sb = new StringBuffer();
				for(String headStr : headArray) {
					sb.append(headStr);
				}
				area.setShortcode(sb.toString());
				
				//城市编码
				String citycode = PinYin4jUtils.hanziToPinyin(city, "");
				area.setCitycode(citycode);
				areas.add(area);
			}
			areaService.saveBatch(areas);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	private int page;
	private int rows;
	
	
	
	public void setPage(int page) {
		this.page = page;
	}

	public void setRows(int rows) {
		this.rows = rows;
	}

		// 分页查询
	@Action(value = "area_pageQuery", results = { @Result(name = "success", type = "json") })
	public String pageQuery() {
		Pageable pb = new PageRequest(page - 1, rows);
		Specification<Area> specification = new Specification<Area>() {

			@Override
			public Predicate toPredicate(Root<Area> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				List<Predicate> list = new ArrayList<>();
				
				if (StringUtils.isNotBlank(model.getProvince())) {
					Predicate p1 = cb.like(root.get("province").as(String.class), "%" + model.getProvince() + "%");
					list.add(p1);
				}
				if (StringUtils.isNotBlank(model.getCity())) {
					Predicate p2 = cb.like(root.get("city").as(String.class), "%" + model.getCity()+ "%");
					list.add(p2);
				}
				if (StringUtils.isNotBlank(model.getDistrict())) {
					Predicate p3 = cb.like(root.get("district").as(String.class), "%" + model.getDistrict() + "%");
					list.add(p3);
				}
				
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		//调用业务层完成查询
		Page<Area> pageData = areaService.findPageData(specification, pb);
		pushPageDataToValueStack(pageData);

		return SUCCESS;
	}
}
